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Bistriazole ligand-regulated cadmium 5-nitroisophthalate complex, preparation method thereof, and application of complex as fluorescent probe

A technology of cadmium nitroisophthalate and bistriazole, which is applied in the direction of cadmium organic compounds, 2/12 organic compounds without C-metal bonds, fluorescence/phosphorescence, etc., to achieve good reproducibility and production High efficiency and easy operation

Active Publication Date: 2020-03-13
HENGYANG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a cadmium carboxylate complex regulated by a semi-rigid substituted triazole bridged ligand and its fluorescence for simultaneous detection of two ionic properties have not been reported so far.

Method used

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  • Bistriazole ligand-regulated cadmium 5-nitroisophthalate complex, preparation method thereof, and application of complex as fluorescent probe
  • Bistriazole ligand-regulated cadmium 5-nitroisophthalate complex, preparation method thereof, and application of complex as fluorescent probe
  • Bistriazole ligand-regulated cadmium 5-nitroisophthalate complex, preparation method thereof, and application of complex as fluorescent probe

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Dissolve 5-nitroisophthalic acid (21.1mg, 0.1mmol), sodium hydroxide (8.0mg, 0.2mmol), BTB (24.1mg, 0.1mmol) and cadmium nitrate (29.3mg, 0.1mmol) in water ( 10mL), sealed in a 16mL reaction kettle, heated to 160°C at a rate of 10°C per hour, maintained at this temperature for 3 days, and then naturally cooled to room temperature to obtain colorless blocky crystals, which were separated. After washing and drying successively, the target product was obtained with a yield of about 49%. The main infrared absorption peak is: 3336.85cm -1 , 3142.04cm -1 , 1624.06cm -1 , 1606.70cm -1 ,1556.55cm -1 ,1529.55cm -1 ,1354.03cm -1 , 1136.07cm -1 , 1024.35cm -1 ,889.18cm -1 ,786.94cm -1 , 734.88cm -1 .

[0042] Get the bisazole ligand that makes in Example 1 and regulate the cadmium complex of 5-nitroisophthalate for further characterization, and its process is as follows:

[0043] (1) Determination of the crystal structure of the complex

[0044] A single crystal with...

Embodiment 2

[0058] Dissolve 5-nitroisophthalic acid (21.1mg, 0.1mmol), potassium hydroxide (11.2mg, 0.2mmol), BTB (24.1mg, 0.1mmol) and cadmium perchlorate (41.9mg, 0.1mmol) in Water (10mL), sealed in a 16mL reaction kettle, heated to 170°C at a rate of 10°C per hour, maintained at this temperature for 3 days, and then cooled to room temperature naturally, to obtain colorless blocky crystals, which were separated After washing and drying in sequence, the target product is obtained with a yield of about 55%.

Embodiment 3

[0060] Dissolve 5-nitroisophthalic acid (21.1mg, 0.1mmol), potassium hydroxide (11.2mg, 0.2mmol), BTB (24.1mg, 0.1mmol) and cadmium perchlorate (25.4mg, 0.06mmol) in Water (10mL), sealed in a 16mL reaction kettle, heated to 180°C at a rate of 10°C per hour, maintained at this temperature for 3 days, and then cooled to room temperature naturally, to obtain colorless blocky crystals, which were separated After washing and drying in sequence, the target product is obtained with a yield of about 45%.

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Abstract

The invention discloses a bistriazole ligand-regulated cadmium 5-nitroisophthalate complex, a preparation method thereof, and an application of the complex as a fluorescent probe. The complex has a 4-linked three-dimensional triple penetration dmp topological network structure, and the chemical expression of the complex is [Cd(5-NO2IP)(BTB)(H2O)]n. The preparation method is characterized in that the complex is prepared by a hydrothermal reaction of 5-nitroisophthalic acid, an inorganic base, 1,4-bis(1,2,4-triazol-1-methyl)benzene and a cadmium salt. The preparation method has the advantages ofsimple process, convenience in operation, and high yield; and the prepared bistriazole ligand-regulated cadmium complex has stable fluorescence properties and good thermal stability, and can be usedfor detecting Fe (III) ions and permanganate ions at the same time.

Description

technical field [0001] The present invention relates to an organometallic complex, in particular to a bistriazole ligand-regulated 5-nitroisophthalic acid cadmium complex and a preparation method thereof, and also relates to its method for detecting Fe(III) ions and / or Fluorescent probe application of permanganate ion, belonging to d 10 The field of metal complex fluorescent materials. Background technique [0002] The research on self-assembly of metal-organic framework materials using suitable organic ligands and metal ions is very active, especially the fluorescent complexes with high luminescence properties have huge applications in the fields of communication, satellites, radar, optical computers and biomolecular probes. Therefore, the molecular design, synthesis and property research of such functional complexes have received special attention in recent years. where d 10 Metal-organic framework coordination polymers have received extensive attention and research bec...

Claims

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Application Information

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IPC IPC(8): C07F3/08C09K11/06G01N21/64
CPCC07F3/003C09K11/06G01N21/643C07B2200/13C09K2211/188G01N2021/6432
Inventor 陈满生盛良兵邓奕芳付伟伟孙俊彬卢伟红
Owner HENGYANG NORMAL UNIV
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